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CdSe Sensitized Thin Aqueous Films: Probing the Potential Distribution Inside Multilayer Assemblies

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Charge Transport in Two-Photon Semiconducting Structures for Solar Fuels

Sophia Haussener

Semiconducting heterostructures are emerging as promising light absorbers and offer effective electron–hole separation to drive solar chemistry. This technology relies on semiconductor composites or photoelectrodes that work in the presence of a redox medi ...

Wiley-V C H Verlag Gmbh2016

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Propionitrile electrolyte solutions mixed with sulfolane or with 1-ethyl 3-methyl imidazolium tetracyanoborate (ionic liquid) are optimized for Co(bpy)(3)(3+)/Co(bpy)(3)(2+)-tmediated DSCs working at low illumination intensity. Highly-active cathode cataly ...

Elsevier2016

A new photoelectrochromic device (PECD) is presented in this work proposing the combination of a WO3-based electrochromic device (ECD) and a polymer-based dye-sensitized solar cell (DSSC). In the newly designed architecture, a photocurable polymeric membra ...

Wiley-Blackwell2016

A novel conductive catalyst was designed based on a quasi core shell structure of N-doped graphene/cobalt sulfide. This platinum-free catalyst shows high catalytic activity and conductivity owing to close interactions between the core (cobalt sulphide) and ...

Royal Society of Chemistry2014

Ruthenium Oxide Hydrogen Evolution Catalysis on Composite Cuprous Oxide Water-Splitting Photocathodes

Michael Graetzel, Morgan Mertens Stefik, Stanley David Tilley, Marcel Roland Schreier

Photocathodes based on cuprous oxide (Cu2O) are promising materials for large scale and widespread solar fuel generation due to the abundance of copper, suitable bandgap, and favorable band alignments for reducing water and carbon dioxide. A protective ove ...

Wiley-Blackwell2014

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Lead halide perovskites have recently been used as light absorbers in hybrid organic–inorganic solid-state solar cells, with efficiencies as high as 15% and open-circuit voltages of 1 V. However, a detailed explanation of the mechanisms of operation within ...

Nature Publishing Group2014

The photovoltaic performances of ZnO-based dye-sensitized solar cells (DSSCs) have been studied for ZnO porous films prepared by different techniques. A comparison is made between nanoparticle (NP) films prepared by a sol-gel method and two different elect ...

Royal Society of Chemistry2013

Dye-sensitized solar cells (DSC) are a new class of molecular photovoltaics that mimics the natural photosynthesis, for the direct conversion of sunlight into electricity. A typical DSC is a sandwich of a dye sensitized nanoparticle TiO2 film and a catalys ...

EPFL2013

Photoinduced processes in lead iodide solid-state solar cells

Michael Graetzel, Jacques-Edouard Moser, Arianna Marchioro, Joël Teuscher, Jan Cornelius Brauer

Organic-inorganic hybrid systems based on lead halide compounds have recently encountered considerable success as light absorbers in solid-state solar cells. Herein we show how fundamental mechanistic processes in mesoporous oxide films impregnated with CH ...

2013

Solar Energy Stored as Hydrogen

Jérémie Minh-Châu Brillet

The tandem photoelectochemical (PEC) cell based on oxide semiconductors for water splitting offers a potentially inexpensive route for solar hydrogen generation. At the heart of the device, a nanostructured photoanode for water oxidation is connected in se ...

EPFL2012